Monthly Archives: April 2013

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If you need some serious support fire out on the airsoft field, the answer is the A&K PKM Machine Gun powered by the PolarStar Fusion Engine. The stock airsoft A&K PKM machine gun is a very robust gun sporting an … Continue reading →

When swapping the nozzle on the PolarStar Fusion Engine, or doing periodic maintenance on the Fusion Engine (every 25K-30K rounds), it’s important to lubricate the nozzle with high quality grease. I strongly recommend using the TechT Gun Sav grease.

Here are the locations where you need to apply lubrication:

The poppet should also be lubricated periodically. Here are the locations the where the poppet should be lubricated:

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Installing the gen3 V2 Fusion Engine into the KWA M4 is close to a drop in, but a few minor modifications are needed to allow the upper receiver to close properly with the lower receiver. The right upper receiver pin … Continue reading →